The Effect of Moderate Intensity Resistance Exercise on Arterial Stiffness with and Without the Valsalva Maneuver PDF Download
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Author: Nicole M. Fortunato
Publisher:
ISBN:
Category : Arteriosclerosis
Languages : en
Pages : 86
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ABSTRACT: The study was designed to determine the effect of moderate intensity resistance exercise on arterial stiffness with and without the Valsalva maneuver. Subjects {N = 13) consisted of males between 18-30 years old who were familiar with resistance training. All subjects completed one session of moderate intensity resistance exercise (60% of 1-RM) with the Valsalva maneuver, and a second session without the Valsalva maneuver in a counterbalanced order. Pulse wave velocity (PWV) was used to measure arterial stiffness before exercise, 10 min post, 30 min post, and 60 min postexercise. No significant interaction F(3,36) = 0.74, p = .54 was found between the condition of Valsalva maneuver, or no Valsalva maneuver, and the test occasion. No significant main effect F(l,12) = 0.02, p = .89 was found for the treatment condition of Valsalva maneuver and no Valsalva maneuver. Also, no significant main effect F(1.96, 23.57) = 0.18, p = .84 was found for test occasion (preexercise, 10 min post, 30 min post, and 60 min postexercise). Moderate intensity resistance exercise with and without the Valsalva maneuver did not negatively affect arterial stiffness.
Author: Nicole M. Fortunato
Publisher:
ISBN:
Category : Arteriosclerosis
Languages : en
Pages : 86
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Book Description
ABSTRACT: The study was designed to determine the effect of moderate intensity resistance exercise on arterial stiffness with and without the Valsalva maneuver. Subjects {N = 13) consisted of males between 18-30 years old who were familiar with resistance training. All subjects completed one session of moderate intensity resistance exercise (60% of 1-RM) with the Valsalva maneuver, and a second session without the Valsalva maneuver in a counterbalanced order. Pulse wave velocity (PWV) was used to measure arterial stiffness before exercise, 10 min post, 30 min post, and 60 min postexercise. No significant interaction F(3,36) = 0.74, p = .54 was found between the condition of Valsalva maneuver, or no Valsalva maneuver, and the test occasion. No significant main effect F(l,12) = 0.02, p = .89 was found for the treatment condition of Valsalva maneuver and no Valsalva maneuver. Also, no significant main effect F(1.96, 23.57) = 0.18, p = .84 was found for test occasion (preexercise, 10 min post, 30 min post, and 60 min postexercise). Moderate intensity resistance exercise with and without the Valsalva maneuver did not negatively affect arterial stiffness.
Author: Taylor J. Kane
Publisher:
ISBN:
Category :
Languages : en
Pages : 96
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Book Description
ABSTRACT: Elevated arterial stiffness has been recognized as an independent risk factor for cardiovascular disease and has been associated with long-term worse clinical outcomes in several populations. The purpose of this study was to investigate the effects of gender and time following one acute bout of moderate intensity resistance exercise on arterial stiffness in college-aged men and women. A total of 26 men (n = 14) and women (n = 12) completed three sessions: screening, familiarization, and testing in the order they are listed. There were no changes in pulse wave velocity or augmentation index in either men or women across time. Men did have significantly higher systolic blood pressure at baseline (p = .00, d =1.4), immediately post exercise (p = .01, d = 1.0) and 30 minutes post exercise (p = .04, d = .08) relative to women. Men also had significantly higher heart rates immediately post exercise (p = .02, d = 0.9) and 30 minutes post exercise (p = .04, p = 0.9) when compared to women. The lack of change in parameters of arterial stiffness suggest moderate intensity exercise does not increase arterial stiffness in college-aged adults.
Author: Thomas R. Black
Publisher:
ISBN:
Category : Atherosclerosis
Languages : en
Pages : 226
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Book Description
Abstract: The investigation was designed to determine the effect of moderate and high intensity resistance exercise (RE) on arterial stiffness (AS) . Subjects consisted of young healthy males who regularly resistance trained (N = 12) Each subject completed both the moderate and high intensity bouts in a randomized order. Pulse wave velocity (PWV) was used to estimate AS and was measured at baseline, 10 mm post, 20 mm post, and 30 mm post. Heart rate (HR) was measured during each bout to serve as a marker of sympathetic nervous system activity. A total body RE workout was completed during each bout and consisted of four free weight exercises. Significant increases (p
Author: Casandra L. Ferriter
Publisher:
ISBN:
Category : Isometric exercise
Languages : en
Pages : 110
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ABSTRACT: The study was designed to examine the effects of one bout of acute moderate resistance exercise on arterial stiffness in postmenopausal women. Nine untrained postmenopausal women [age 59.79 ± 6.22, weight 73.89 ± 13.08 kg, height 162.89 ± 6.11 cm, BF% 36.33 ± 8.85%] who had refrained from food and caffeine 4 hr prior to the intervention session and the control session, as well as avoided vigorous exercise 24 hr prior to the intervention session and control session, performed one bout of moderate intensity resistance exercise (70% of 10-RM). The exercises performed involved both the upper body and the lower body; dumbbell (DB) bent-over row, DB chest press, DB bicep curl, DB tricep extension, DB squats, DB Romanian deadlifts (RDLs), DB lunges, and DB calf raises. Measurements of heart rate (HR), systolic blood pressure (SBP), diastolic blood pressure (DBP), central systolic blood pressure (CSBP), central diastolic blood pressure (CDBP), pulse wave velocity (PWV), and augmentation index (AIx) were taken at baseline after 10 min of supine rest, post exercise, 30 min post exercise, and 60 min post exercise. Heart rate, SBP, CSBP, and CDBP were significantly (p .05) affected by resistance training immediately post-exercise. Pulse wave velocity and AIx were not significantly (p .05) affected by the exercise session. One reason why PWV and AIx, prime measures of arterial stiffness, were not significantly altered may have been the subjects' low exercise intensity. In conclusion, no effects of the exercise were observed in PWV or AIx. However, moderate intensity resistance exercise resulted in post-exercise hypotension in postmenopausal women which may be valuable information for future research.
Author: Quintin Scott
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659283413
Category :
Languages : en
Pages : 52
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Arterial stiffness increases cardiovascular disease risk for stroke, myocardial infarction, and mortality. The aim of this study was to examine the influence of resistance exercise intensity on arterial stiffness and blood pressure. Two resistance exercise conditions, low and high intensity, were compared. In a longitudinal, cross-over study design, thirty-two subjects (n=32, 17 male, mean age= 24.6) completed both conditions on separate days. Pulse wave velocity (PWV) was used as a measure of central and peripheral arterial stiffness at baseline, at 15 minutes post, and at 30 minutes post exercise. Central PWV increased in the low mode and returned toward baseline at 30 minutes post-exercise (p
Author: Joshua McGee
Publisher:
ISBN:
Category :
Languages : en
Pages : 128
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Obesity is a major risk factor for cardiovascular disease (CVD), CVD mortality, and type 2 diabetes. Arterial stiffness and autonomic dysfunction are independent predictors of CVD and type 2 diabetes. Moreover, African Americans (AA) have a disproportionate prevalence of elevated arterial stiffness compared to Caucasians. Obese individuals have a greater prevalence of diminished autonomic nervous system activity compared to lean individuals. Despite evidence of aerobic exercise training benefiting arterial stiffness and autonomic dysfunction in the general population, optimal intensity and volume for AAs and obese individuals remain unclear. The purpose of this dissertation was to determine whether high-intensity aerobic exercise training improved arterial stiffness and aortic compliance to a greater degree than moderate intensity in obese AAs (study 1), if clinically significant weight loss from a combined hypocaloric diet and aerobic exercise intervention increases heart rate variability (HRV) in obese adults and to evaluate the impact of aerobic exercise volume on HRV during weight maintenance (study 2). Arterial stiffness or aortic compliance did not improve in response to 24 weeks of moderate- or high-intensity, supervised aerobic exercise training at a volume consistent with public health guidelines. However, both groups significantly increased cardiorespiratory fitness compared to the control group. In addition, we observed an inverse relationship between changes in cardiorespiratory fitness and aortic compliance. The results from this study suggest AAs may require greater volumes of weekly aerobic exercise than recommended for the general population to improve arterial stiffness. The 10-week, combined intervention improved major HRV indices of parasympathetic activity. The changes in parasympathetic activity were inversely associated with fasting insulin concentrations. Both groups retained all HRV benefits over the 18-week maintenance phase. The results from this study suggest weight loss via energy restriction and exercise alter autonomic function, leading to improved sympathovagal balance in obese adults, also exercise volumes consistent with physical activity guidelines maintains improvements in autonomic function from weight loss. Collectively, the results of this dissertation provide valuable public health insight for health professionals prescribing aerobic exercise to improve predictors of CVD and type 2 diabetes, specifically arterial stiffness, aortic compliance, and autonomic dysfunction in at-risk, obese adults.
Author: Youlian Hong
Publisher:
ISBN:
Category :
Languages : en
Pages : 71
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Jeffrey J. Richard
Publisher:
ISBN:
Category : Atherosclerosis
Languages : en
Pages : 178
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ABSTRACT:
Author: Laurel A. Ayvazian
Publisher:
ISBN:
Category : Arteries
Languages : en
Pages : 90
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Book Description
ABSTRACT: Type 2 diabetes mellitus (T2DM) increases cardiovascular disease (CVD) risk. Increased arterial stiffness is an additional, independent risk factor and may be important to identify in those who are already at increased risk. Exercise is an important component of diabetes self-management and has the potential to influence arterial stiffness. Aerobic exercise has consistently been associated with lower levels of arterial stiffness. While resistance exercise is important in regulating glycemic control and preventing sarcopenia in aging adults, some research indicates resistance exercise may increase stiffness. Women between the ages of 50 and 75 were recruited to participate in a healthy control (CON n= 10) or T2DM (n = 6) group. Subjects completed a full body, moderateintensity (60-85% 1 RM) resistance exercise protocol. Carotid-femoral pulse wave velocity (PWV), radial pulse wave analysis (PWA), blood pressure (BP), heart rate (HR), and serum nitric oxide (NO) and endothelin-1 (ET-1) were measured pre- and postexercise, as well as after one hour of recovery. Additional PWA, BP, and HR measurements were taken 30 min postexercise. A significant (p
